Upright vacuum cleaner



FIG. 1 is an isometric view of an upright vacuum cleaner showing the claimed design.

FIG. 2 is a front elevation view of the upright vacuum cleaner of FIG. 1.

FIG. 3 is a rear elevation view of the upright vacuum cleaner of FIG. 1.

FIG. 4 is a right elevation view of the upright vacuum cleaner of FIG. 1.

FIG. 5 is a left elevation view of the upright vacuum cleaner of FIG. 1.

FIG. 6 is a top plan view of the upright vacuum cleaner of FIG. 1; and,

FIG. 7 is a bottom plan view of the upright vacuum cleaner of FIG. 1.

The broken lines represent environment that forms no part of the claimed design. 

The ornamental design for an upright vacuum cleaner, as shown and described. 